Home / 10,971.72-15,141.24-6,256.08

Finding the Fourth Proportional to 10,971.72, 15,141.24 and 6,256.08

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Solution

The fourth proportional to 10,971.72, 15,141.24 and 6,256.08 is: 8,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.72 : 15,141.24 = 6,256.08 : x
  2. Step 2: Convert to fraction form
    10,971.72/15,141.24 = 6,256.08/x
  3. Step 3: Cross multiply
    10,971.72x = 15,141.24 × 6,256.08
  4. Step 4: Simplify right side
    10,971.72x = 94,724,808.74
  5. Step 5: Solve for x
    x = 94,724,808.74/10,971.72
  6. Step 6: Final answer
    x = 8,633.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.